litmus-rt.git - The LITMUS^RT kernel.

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The LITMUS^RT kernel.

Bjoern Brandenburg

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path: root/net/dns_resolver/dns_key.c

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Diffstat (limited to 'net/dns_resolver/dns_key.c')

-rw-r--r--

net/dns_resolver/dns_key.c

1 files changed, 6 insertions, 4 deletions

         int err = key->type_data.x[0];
         seq_puts(m, key->description);
-        if (err)
+        if (key_is_instantiated(key)) {
-                seq_printf(m, ": %d", err);
+                if (err)
-        else
+                        seq_printf(m, ": %d", err);
-                seq_printf(m, ": %u", key->datalen);
+                else
+                        seq_printf(m, ": %u", key->datalen);
+        }
 }
 /*

400 MIPS: RB532: Convert to GPIO lib' href='/cgit/cgit.cgi/litmus-rt.git/commit/arch/mips/rb532/gpio.c?id=d888e25b8dd1b501ac75b0c6587c043a394319c3'>d888e25b8dd1

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/*
 *  Miscellaneous functions for IDT EB434 board
 *
 *  Copyright 2004 IDT Inc. (rischelp@idt.com)
 *  Copyright 2006 Phil Sutter <n0-1@freewrt.org>
 *  Copyright 2007 Florian Fainelli <florian@openwrt.org>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>

#include <asm/mach-rc32434/rb.h>
#include <asm/mach-rc32434/gpio.h>

struct rb532_gpio_chip {
	struct gpio_chip chip;
	void __iomem	 *regbase;
};

static struct resource rb532_gpio_reg0_res[] = {
	{
		.name 	= "gpio_reg0",
		.start 	= REGBASE + GPIOBASE,
		.end 	= REGBASE + GPIOBASE + sizeof(struct rb532_gpio_reg) - 1,
		.flags 	= IORESOURCE_MEM,
	}
};

/* rb532_set_bit - sanely set a bit
 *
 * bitval: new value for the bit
 * offset: bit index in the 4 byte address range
 * ioaddr: 4 byte aligned address being altered
 */
static inline void rb532_set_bit(unsigned bitval,
		unsigned offset, void __iomem *ioaddr)
{
	unsigned long flags;
	u32 val;

	local_irq_save(flags);

	val = readl(ioaddr);
	val &= ~(!bitval << offset);   /* unset bit if bitval == 0 */
	val |= (!!bitval << offset);   /* set bit if bitval == 1 */
	writel(val, ioaddr);

	local_irq_restore(flags);
}

/* rb532_get_bit - read a bit
 *
 * returns the boolean state of the bit, which may be > 1
 */
static inline int rb532_get_bit(unsigned offset, void __iomem *ioaddr)
{
	return (readl(ioaddr) & (1 << offset));
}

/*
 * Return GPIO level */
static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset)
{
	struct rb532_gpio_chip	*gpch;

	gpch = container_of(chip, struct rb532_gpio_chip, chip);
	return rb532_get_bit(offset, gpch->regbase + GPIOD);
}

/*
 * Set output GPIO level
 */
static void rb532_gpio_set(struct gpio_chip *chip,
				unsigned offset, int value)
{
	struct rb532_gpio_chip	*gpch;

	gpch = container_of(chip, struct rb532_gpio_chip, chip);
	rb532_set_bit(value, offset, gpch->regbase + GPIOD);
}

/*
 * Set GPIO direction to input
 */
static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
	struct rb532_gpio_chip	*gpch;


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